What: Chairman and president-CEO Where: Infogroup, Papillion, Neb. Why: Iaccarino took over as operations head of Infogroup in December. A former operating executive at Epsilon and private equity company CCMP Capital Advisors, which bought Infogroup in 2010, Iaccarino has inspired Infogroup to rethink data, spearheading the release of the Data Axle and a number of partnerships propelling the company to the forefront of the Big Data conversation.